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5 March 2021 Sensorless adaptive optics and angiography in spatiotemporal optical coherence (STOC) retinal imaging
Dawid Borycki, Kamil Liżewski, Sławomir Tomczewski, Egidijus Auksorius, Piotr Węgrzyn, Maciej Wojtkowski
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Proceedings Volume 11623, Ophthalmic Technologies XXXI; 116230F (2021) https://doi.org/10.1117/12.2578709
Event: SPIE BiOS, 2021, Online Only
Abstract
Optical coherence tomography (OCT) is a well-established modality providing cross-sectional images of the human retina. OCT, however, does not provide high-resolution en face images of the outer retinal layers due to eye aberrations and the tradeoff between imaging depth and transverse resolution. Recently, we demonstrated the spatiotemporal optical coherence (STOC) that provides high-resolution, aberration-free volumetric images of the retina and cornea with the voxel rate of 8 GHz. Here, we show that STOC can be used for angiography, and allows us to estimate Doppler broadening, enabling visualization of the choroidal blood vessels in the human retina in vivo.
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Dawid Borycki, Kamil Liżewski, Sławomir Tomczewski, Egidijus Auksorius, Piotr Węgrzyn, and Maciej Wojtkowski "Sensorless adaptive optics and angiography in spatiotemporal optical coherence (STOC) retinal imaging", Proc. SPIE 11623, Ophthalmic Technologies XXXI, 116230F (5 March 2021); https://doi.org/10.1117/12.2578709
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KEYWORDS
Adaptive optics
Angiography
Coherence (optics)
Retinal scanning
Optical coherence tomography
Sensors
Image sensors
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